diff --git a/.github/workflows/gpu_test.yml b/.github/workflows/gpu_test.yml
index e0be897532..f9e36e9c2e 100644
--- a/.github/workflows/gpu_test.yml
+++ b/.github/workflows/gpu_test.yml
@@ -1,13 +1,13 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: GPU Test V3
+name: GPU Test
 
 on:
   push:
-    branches: [ v3 ]
+    branches: [ main ]
   pull_request:
-    branches: [ v3 ]
+    branches: [ main ]
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/hypothesis.yaml b/.github/workflows/hypothesis.yaml
index c5a239c274..85d48bddb1 100644
--- a/.github/workflows/hypothesis.yaml
+++ b/.github/workflows/hypothesis.yaml
@@ -3,11 +3,9 @@ on:
   push:
     branches:
       - "main"
-      - "v3"
   pull_request:
     branches:
       - "main"
-      - "v3"
     types: [opened, reopened, synchronize, labeled]
   schedule:
     - cron: "0 0 * * *" # Daily “At 00:00” UTC
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5683b62dff..ae24fca6f5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,13 +1,13 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: Test V3
+name: Test
 
 on:
   push:
-    branches: [ v3 ]
+    branches: [ main ]
   pull_request:
-    branches: [ v3 ]
+    branches: [ main ]
   workflow_dispatch:
 
 concurrency:
diff --git a/pyproject.toml b/pyproject.toml
index 593be36b75..059fa8fdb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -211,6 +211,7 @@ extend-select = [
     "B",   # flake8-bugbear
     "C4",  # flake8-comprehensions
     "FLY", # flynt
+    "G",   # flake8-logging-format
     "I",   # isort
     "ISC", # flake8-implicit-str-concat
     "PGH", # pygrep-hooks
diff --git a/src/zarr/core/sync.py b/src/zarr/core/sync.py
index 20f04f543b..8c5bc9c397 100644
--- a/src/zarr/core/sync.py
+++ b/src/zarr/core/sync.py
@@ -133,7 +133,7 @@ def sync(
 
     finished, unfinished = wait([future], return_when=asyncio.ALL_COMPLETED, timeout=timeout)
     if len(unfinished) > 0:
-        raise TimeoutError(f"Coroutine {coro} failed to finish in within {timeout}s")
+        raise TimeoutError(f"Coroutine {coro} failed to finish in within {timeout} s")
     assert len(finished) == 1
     return_result = next(iter(finished)).result()
 
diff --git a/src/zarr/storage/logging.py b/src/zarr/storage/logging.py
index 59a796dc18..a29661729f 100644
--- a/src/zarr/storage/logging.py
+++ b/src/zarr/storage/logging.py
@@ -83,15 +83,15 @@ def log(self, hint: Any = "") -> Generator[None, None, None]:
         method = inspect.stack()[2].function
         op = f"{type(self._store).__name__}.{method}"
         if hint:
-            op += f"({hint})"
-        self.logger.info(f"Calling {op}")
+            op = f"{op}({hint})"
+        self.logger.info("Calling %s", op)
         start_time = time.time()
         try:
             self.counter[method] += 1
             yield
         finally:
             end_time = time.time()
-            self.logger.info(f"Finished {op} [{end_time - start_time:.2f}s]")
+            self.logger.info("Finished %s [%.2f s]", op, end_time - start_time)
 
     @property
     def supports_writes(self) -> bool: